1/2 "metric hexagonal socket wrench from BAHCO brand that has a knurled body to turn loose screws by hand, fine polished finish. High performance alloy steel material, contains the Dynamic-Drive ™ and its packaging unit is blister with product information. The diameter of the vessel is 21 mm, the dimensions in L are 37 mm, the dimensions in D1 are 29.1 mm, the dimensions in D2 are 25 mm and the dimensions in T are 13.5 mm while its approximate unit weight is 90 gr.